Table 1 Preoperative demographics whole population

Patients (N)

855

462

393

Follow-up (ptyrs)

4078.0

2219.8

1858.3

Age (mean—SD)

49.0–12.6

49.2–12.7

48.9–12.4

Gender (N—% male)

503–58.8

287–62.1

216–55.0

NYHA (N—%)

 I

69–8.1

40–8.7

29–7.4

 II

298–34.8

154–33.3

144–36.6

 III

369–43.2

193–41.8

176–44.8

 IV

78–9.1

45–9.7

33–8.4

 Unknown

41–4.8

30–6.5

11–2.8

Etiology (N—%)

 Rheumatic

344–41.6

183–41.6

161–41.6

 Calcific

246–29.8

132–30.0

114–29.5

 Prosthetic Degeneration

20– 2.4

13–3.0

7–1.8

 Congenital

109–13.2

54–12.3

55–14.2

 Endocarditis

37–4.5

21–4.8

16–4.1

 Degenerative

56–6.8

30–6.8

26–6.7

 Other

15–1.8

7–1.6

8–2.1

Primary rhythm (N—%)

 Sinus

627–75.2

338–75.1

289–75.3

 Atrial fibrillation

193–23.1

105–23.3

88–22.9

 Paced

3–0.4

1–0.2

2–0.5

 Other

11–1.3

6–1.3

5–1.3

Aortic lesion (N—%)

 Stenosis

281–56.8

141–52.6

140–61.7

 Regurgitation

82–16.6

42–15.7

40–17.6

 Mixed

130–26.3

84–31.3

46–20.3

 Other

2–0.4

1–0.4

1–0.4

Mitral lesion (N—%)

 Stenosis

80–23.2

49–26.5

31–19.4

 Regurgitation

68–19.7

35–18.9

33–20.6

 Mixed

195–56.5

99–53.5

96–60.0

 Other

2–0.6

2–1.1

0–0.0

Weight in kg (mean—SD)

73.2–22.1

74.2–22.5

72.0–21.6

Height in cm (mean—SD)

166.5–11.2

167.2–11.2

165.7–11.1

Body surface area in m² (mean—SD)

1.80–0.29

1.82–0.29

1.78–0.28

Body mass index in kg/m² (mean—SD)

26.2–7.0

26.3–7.2

26.0–6.7